submeter

Noun

 * 1) A utility meter, especially for electricity, that allows for the monitoring of usage on a portion of a distribution network, especially not owned by a utility, past a main meter.

Verb

 * 1)  To install a submeter for.
 * 2)  To charge for electricity usage measured by a submeter.
 * 1)  To charge for electricity usage measured by a submeter.

Adjective

 * 1) On a scale based on units smaller than meters.

Etymology
Probably a semi-learned term derived from.

Verb

 * 1) to submit
 * 2) to subjugate